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Low RPM Permanent Magnet Generator 0.5-5000kW | China Suppliers & Factory for Renewable Energy Solutions
Key advantages include:
- High efficiency: Minimizes energy conversion losses for maximum output.
- Low maintenance: Gearless design reduces wear and tear, extending lifespan.
- Adaptability: Operates efficiently across a wide RPM range, ideal for fluctuating wind or water flow conditions.
Perfect for off-grid and on-grid power generation, PMGs provide a sustainable and scalable energy solution for industries, communities, and remote locations.
Application
Permanent Magnet Generators are used in a large number of applications such as Wind Turbines, Hydro Turbines, motors and others.
Advantages
| 1 | Rare earth Nd-Fe-B permanent magnets |
| 2 | Low Speed |
| 3 | Direct Drive, no use gear-box |
| 4 | bearing |
| 5 | Power factor close to 1 |
| 6 | Maintenance free, can be used in all environments. |
| 7 | Long life time >20years, could run at high speed 24 hours 365 days. |
| 8 | Multi poles design, improve the frequency and efficiency of rectifiers and inverters. |
| 9 | Customized: Voltage, Speed, Power, Frequency etc. |
| 10 | H class insulation, vacuum pressure impregnation. |
| 11 | Excellent heat dissipation, also can add fan cooling |
Parameters
Permanent Magnet Generator
GREEF Company provide customized generator according to each customer's requirements of Voltage, Speed, Power, Frequency etc.
| Rated power | 0.5--5000 | kW |
| Rated rotate speed | 20--3000 | rpm |
| Rated voltage | 48--1140 | Vac |
| Frequency | 60/50 | Hz |
| Number of Poles | 24 | |
| Generator type | 3phase AC Synchronous generator | |
| Magnet type | NdFeB | |
| Winding Method | Y | |
| Magnet temperature level | Max.120℃ | |
| Winding temperature level | Max.180℃ | |
| Effienciency | >95% | |
| Insulate Grade | H | |
| Insulating resistance | 100Mohm Min(500Vdc) | |
| Classification of degrees | IP54 | |
| Generatror shell material | Cast Iron | |
| Winding material | 100% Copper | |
| Shaft material | Steel | |
| Iron Core | Cold rolled silicon steel sheet | |
| Bearing brand | SKF | |
| Cooling Method | Fan Cooling | |
| Weight (N.W /G.W ) | 132kg /152kg | |
| Packing Size | 870*470*570mm | |
| Installation | Horizontal | |
| RATED POWER | RATED SPEED | RATED VOLTAGE | FREQUENCY |
|---|---|---|---|
| 0.5KW | 20rpm~400rpm | 12V~220Vac | 10Hz~60Hz |
| 1KW | 20rpm~600rpm | 12V~220Vac | 10Hz~60Hz |
| 2KW | 20rpm~1000rpm | 12V~400Vac | 10Hz~60Hz |
| 3KW | 20rpm~1500rpm | 48V~690Vac | 10Hz~60Hz |
| 5KW | 20rpm~1500rpm | 48V~690Vac | 10Hz~60Hz |
| 10KW | 20rpm~1500rpm | 120V~690Vac | 10Hz~60Hz |
| 15KW | 20rpm~3000rpm | 120V~690Vac | 10Hz~60Hz |
| 20KW | 20rpm~3000rpm | 120V~690Vac | 10Hz~60Hz |
| 25KW | 20rpm~3000rpm | 120V~1140Vac | 10Hz~60Hz |
| 30KW | 20rpm~3000rpm | 120V~1140Vac | 10Hz~60Hz |
| 50KW | 20rpm~3000rpm | 220V~1140Vac | 10Hz~60Hz |
| 80KW | 20rpm~3000rpm | 220V~1140Vac | 10Hz~60Hz |
| 100KW | 20rpm~3000rpm | 220V~1140Vac | 10Hz~60Hz |
| 150KW | 20rpm~3000rpm | 380V~1140Vac | 10Hz~60Hz |
| 200KW | 20rpm~3000rpm | 380V~1140Vac | 10Hz~60Hz |
| 250KW | 20rpm~3000rpm | 380V~1140Vac | 10Hz~60Hz |
| 300KW | 20rpm~3000rpm | 380V~1140Vac | 10Hz~60Hz |
| 500KW | 20rpm~3000rpm | 380V~1140Vac | 10Hz~60Hz |
| 700KW | 20rpm~3000rpm | 690V~1140Vac | 10Hz~60Hz |
| 800KW | 20rpm~3000rpm | 690V~1140Vac | 10Hz~60Hz |
| 1MW | 200rpm~3000rpm | 690V~1140Vac | 10Hz~60Hz |
| 2MW | 200rpm~3000rpm | 690V~1140Vac | 10Hz~60Hz |
| 3MW | 200rpm~3000rpm | 690V~1140Vac | 10Hz~60Hz |
| 20KW | 20rpm~3000rpm | 120V~690Vac | 10Hz~60Hz |
| 4MW | 600rpm~3000rpm | 690V~1140Vac | 10Hz~60Hz |
| 5MW | 600rpm~3000rpm | 690V~1140Vac | 10Hz~60Hz |
System Solution
GREEF Technical Team can provide the complete ON-grid and Off-grid solution for the project which used our permanent magnet generator. All the equipments can be produced according to customer's specific requirements.
Product Display
Frequently Asked Questions (FAQ)
Q
What are the main advantages of GREEF Permanent Magnet Generators?
GREEF Permanent Magnet Generators offer high efficiency by minimizing energy conversion losses, require low maintenance due to their gearless direct-drive design, and feature high adaptability across a wide RPM range, making them ideal for fluctuating wind or water flow conditions.
Q
What applications are these permanent magnet generators suitable for?
They are widely used in Wind Turbines, Hydro Turbines, motors, and other off-grid and on-grid power generation systems for industries, communities, and remote locations.
Q
Can GREEF customize the generator specifications?
Yes, GREEF Company provides customized generators based on each customer's specific requirements, including custom Voltage, Speed, Power, Frequency, and other parameters.
Q
What is the expected lifespan and durability of the generator?
The generator has a long lifetime of over 20 years. It is designed to run continuously at high speed 24 hours a day, 365 days a year, using premium NdFeB permanent magnets and SKF bearings.
Q
What insulation and protection standards are applied?
The generators utilize H-class insulation with vacuum pressure impregnation, winding temperature resistance up to 180℃, magnet temperature level up to 120℃, and carry an IP54 classification grade.
Q
Does GREEF provide complete power system solutions?
Yes, the GREEF Technical Team can provide complete ON-grid and Off-grid solutions for projects utilizing our permanent magnet generators, with all equipment produced according to specific requirements.
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